Slides in this set

Slide 1

Slide 2

StarchTest ­ Add a few drops of iodine solutionColour Change ­ the Iodine turns from brown to blue/blackPositive Test Negative Test…read more

Slide 3

Reducing SugarsTest ­ Add Benedict's solution and heat to 80C in a water bath.Colour Change ­ Blue to Orange-Red (precipitate) Before After…read more

Slide 4

Non-Reducing SugarsIf the reducing sugar test is negative...Test ­ Boil with hydrochloric acid, cool and neutralise with sodium hydrogen carbonate. Then repeat the Benedict's test.Colour Change - Blue to Orange-Red (precipitate) on the second test…read more